{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "trigger": true, "arguments": ["discoverer", "time", "capabilities", "vulnerable system owner", "vulnerable system", "vulnerability", "common vulnerabilities and exposures", "supported platform", "vulnerable system version"]}, {"event_type": "ransom", "trigger": true, "arguments": ["damage amount", "time", "payment method", "victim", "attacker", "tool", "place", "price", "attack pattern"]}, {"event_type": "phishing", "trigger": true, "arguments": ["tool", "place", "purpose", "victim", "damage amount", "trusted entity", "attack pattern"]}], "input": "Cyber criminals took a second swing at Mecklenburg County government on Thursday after officials rejected a demand for money following a ransomware attack ."}
{"discover vulnerability": [], "ransom": [{"trigger": "rejected a demand for money", "arguments": {"damage amount": "NAN", "time": "Thursday", "payment method": "NAN", "victim": "Mecklenburg County government", "attacker": "Cyber criminals", "tool": "NAN", "place": "NAN", "price": "NAN", "attack pattern": "NAN"}}], "phishing": []}